OpenTechBook
  • Home
  • Open Books
    • All Open Books

    • Free eBooks
    • Free Magazines
    • Free Journals

    • Submit an Open Book
  • Quizzes
Home » Quiz » C Language Quiz

The ________ directive allows for conditional compilation in a C program.

Difficulty level
  • #ifdef
  • #ifndef
  • #include
  • #pragma
In C programming, the #ifdef directive is used for conditional compilation. It checks if a particular macro is defined and includes code if the macro is defined.
Add your answer
Loading...
Facebook Twitter Linkedin Reddit Pinterest
C Language Quiz
Quiz
How does using pointers with arrays affect the performance of a C program?
In dplyr, to perform operations on multiple columns at once, the _______ function is used.

Related Quiz

  • How can using pointers to structures optimize memory usage in a C program?
  • The function ________ in C changes the size of the memory block pointed to by a given pointer.
  • In C, a string is essentially an array of ________ terminated by a null character.
  • In C, subtracting two pointers that point to elements of the same array yields a result of type ________.
  • You're developing an embedded system with limited memory and need to define several constants representing the states of a system. Which C construct would be most appropriate to use?

Leave a commentCancel

Your email address will not be published. Required fields are marked *

Hot Quiz

PHP QuizPython QuizADO.NET QuizServlet QuizAPI Testing QuizDatabase Testing QuizAdobe Experience Manager QuizSpring Boot QuizCodeIgniter QuizAWS Lambda QuizWeb Services QuizData Analyst QuizExploratory Data Analysis QuizData Science Statistics QuizJava QuizAppium QuizASP.NET Core QuizGO QuizNode.js QuizCCNA Quiz
Copyright © 2025 Open Tech Book
  • About
  • Contact
  • FAQ
  • DMCA
  • Disclaimer
  • Privacy Policy